VULNERABILITY INTELLIGENCE

CVE-2011-1770

CVSS score7.5 HIGH
EPSS probability4.36%
CISA KEVNot currently listed
Published2011-06-24
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.

Weakness classification

  • CWE-191: Integer Underflow (Wrap or Wraparound)

Primary references